water meter,water flow meter,water gauge no removable part,0.2% 4~20mA,0~10V,RS485,HART,remote control 6~4000mm,-196~700C water meter,water flow meter,water gaugeRixin SBL ... 24VDC; 220VAC (only for separate digital tube)Output formsSite display reading; 4~20mA (2-wire system); pulse; 0~10V; RS232/RS485 ...